Examples with MibObj org.opennms.netmgt.config.snmpAsset.adapter.MibObj used on opensource projects

Example 1 with MibObj

use of org.opennms.netmgt.config.snmpAsset.adapter.MibObj in project opennms by OpenNMS.

the class SnmpAssetProvisioningAdapter method fetchSnmpAssetString.

private static String fetchSnmpAssetString(final LocationAwareSnmpClient locationAwareSnmpClient, final SnmpAgentConfig agentConfig, final String location, final List<MibObj> mibObjs, final String formatString) {
    final List<String> aliases = new ArrayList<String>();
    final List<SnmpObjId> objs = new ArrayList<SnmpObjId>();
    for (final MibObj mibobj : mibObjs) {
        aliases.add(mibobj.getAlias());
        objs.add(SnmpObjId.get(mibobj.getOid()));
    }
    // Fetch the values from the SNMP agent
    final CompletableFuture<List<SnmpValue>> future = locationAwareSnmpClient.get(agentConfig, objs).withLocation(location).execute();
    List<SnmpValue> values;
    try {
        values = future.get();
    } catch (InterruptedException | ExecutionException e) {
        // Propagate
        throw new RuntimeException(e);
    }
    if (values.size() == aliases.size()) {
        final Properties substitutions = new Properties();
        boolean foundAValue = false;
        for (int i = 0; i < values.size(); i++) {
            // If the value is a NO_SUCH_OBJECT or NO_SUCH_INSTANCE error, then skip it
            if (values.get(i) == null || values.get(i).isError()) {
                // No value for this OID
                continue;
            }
            foundAValue = true;
            // Use trapd's SyntaxToEvent parser so that we format base64
            // and MAC address values appropriately
            Parm parm = SyntaxToEvent.processSyntax(aliases.get(i), values.get(i));
            substitutions.setProperty(aliases.get(i), parm.getValue().getContent());
        }
        if (!foundAValue) {
            LOG.debug("fetchSnmpAssetString: Failed to fetch any SNMP values for system {}", agentConfig);
            throw new MissingFormatArgumentException("fetchSnmpAssetString: Failed to fetch any SNMP values for system " + agentConfig.toString());
        } else {
            LOG.debug("fetchSnmpAssetString: Fetched asset properties from SNMP agent:\n {}", formatPropertiesAsString(substitutions));
        }
        if (objs.size() != substitutions.size()) {
            LOG.warn("fetchSnmpAssetString: Unexpected number of properties returned from SNMP GET:\n {}", formatPropertiesAsString(substitutions));
        }
        return PropertiesUtils.substitute(formatString, substitutions);
    } else {
        LOG.warn("fetchSnmpAssetString: Invalid number of SNMP parameters returned: {} != {}", aliases.size(), values.size());
        throw new MissingFormatArgumentException("fetchSnmpAssetString: Invalid number of SNMP parameters returned: " + values.size() + " != " + aliases.size());
    }
}